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declare @t table (col1 int,col2 int)
insert into @t
select 2,3 union all
select 1,4 union all
select 3,6
select
col1,
col2,
百分比=
ltrim(cast(cast(col1 as decimal(18,2))*100/cast(col2 as decimal(18,2))
as decimal(18,2)))+'%' from @t
/*
col1 col2 百分比
----------- ----------- ------------------------------------------
2 3 66.67%
1 4 25.00%
3 6 50.00%
*/
ltrim(cast(sum(C21.C2115+C21.C211R)*100.0/sum(C21.C2131) as dec(18,2))+'%'